Specifications:•  Sink Dimensions: 30" (wide) x 18"(front to back) x 9"(bowl depth)•  Hole size: 3.5"Product Description and Features:•  Sturdy and Durable: Premium 304-grade stainless steel with excellent corrosion and rust-resistant; Extra-thick sound guard non-toxic undercoating for superior protection against noise.•  Easy to Install: Set includes Sink, Drain Assembly with Strainer, Protective Bottom Grid; Standard 3.5" drain opening will fit any garbage disposal unit; Professional instruction manual and video will help you solve all installation problems in time.•  Easy to Clean: Commercial grade brushed finish for easy to clean and long-lasting; Slanted bottom with elegant drain grooves for easy water draining, 10mm radius corner for easy cleaning.•  Scratch Resistant: Stainless steel bottom rinse grid can protect the sink from scratches and acts as a drain basket for pots and pans. Basket strainer drain that traps goods waste and can be easily emptied into the trash.•  Guaranteed Service: Max 1.8 GPM/6.8 LPM 60 PSI Compliant with CA Title 20. IAPMO/UPC/CSA Certified, ANSI/ASME A112.18.1. ADA compliant. We offer a 5-year guarantee, if you have any problems during the warranty, please feel free to contact us.